Clark County, South Dakota

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Template:Infobox U.S. county

Clark County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,837.[1] Its county seat is Clark.[2] The county was created in 1873 and organized in 1881.[3] It was named for Newton Clark, a Dakota Territory legislator in 1873.[4][5]

Geography

Clark County terrain consists of rolling hills, dotted with lakes and ponds especially in the east central portion. The area is mostly devoted to agriculture.[6] The county has a total area of 967 square miles (2,500 km2), of which 958 square miles (2,480 km2) is land and 9.9 square miles (26 km2) (1.0%) is water.[7]

Major highways

Adjacent counties

Protected areas

  • Christopherson State Public Shooting Area[8]
  • Dry Lake Number Two State Public Shooting Area[9]
  • Fordham State Public Shooting Area[10]
  • McPeek State Public Shooting Area[11]
  • Stairs Slough State Public Shooting Area[12]
  • Willow Lake State Public Shooting Area[13]

Lakes and reservoirs

Demographics

Template:US Census population

2020 census

As of the 2020 census, there were 3,837 people, 1,361 households, and 853 families residing in the county.[21] Of the residents, 27.6% were under the age of 18 and 21.2% were 65 years of age or older; the median age was 39.8 years. For every 100 females there were 105.3 males, and for every 100 females age 18 and over there were 101.4 males.[21]

The population density was 4.0 inhabitants per square mile (1.5/km2). There were 1,603 housing units, of which 15.1% were vacant; among occupied housing units, 76.6% were owner-occupied and 23.4% were renter-occupied, with a homeowner vacancy rate of 1.1% and a rental vacancy rate of 5.1%.[21]

The racial makeup of the county was 94.3% White, 0.3% Black or African American, 0.6% American Indian and Alaska Native, 0.2% Asian, 1.7% from some other race, and 2.9% from two or more races. Hispanic or Latino residents of any race comprised 4.4% of the population.[22]

Of the 1,361 households, 25.3% had children under the age of 18 living with them and 20.0% had a female householder with no spouse or partner present. About 33.9% of all households were made up of individuals and 14.5% had someone living alone who was 65 years of age or older.[21]

2010 census

As of the 2010 census, there were 3,691 people, 1,445 households, and 929 families residing in the county. The population density was 3.9 inhabitants per square mile (1.5/km2). There were 1,710 housing units at an average density of 1.8 per square mile (0.69/km2). The racial makeup of the county was 98.1% white, 0.2% black or African American, 0.1% Asian, 0.1% American Indian, 0.8% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 1.7% of the population. In terms of ancestry, 52.0% were German, 29.4% were Norwegian, 9.7% were Irish, 7.8% were English, 5.4% were Swedish, and 3.5% were American.

Of the 1,445 households, 23.0% had children under the age of 18 living with them, 55.8% were married couples living together, 4.8% had a female householder with no husband present, 35.7% were non-families, and 32.5% of all households were made up of individuals. The average household size was 2.22 and the average family size was 2.79. The median age was 45.7 years.

The median income for a household in the county was $43,894 and the median income for a family was $55,575. Males had a median income of $33,606 versus $24,952 for females. The per capita income for the county was $23,909. About 7.5% of families and 13.1% of the population were below the poverty line, including 24.5% of those under age 18 and 12.6% of those age 65 or over.

Communities

Cities

Towns

Census-designated place

Unincorporated communities

Townships

  • Ash
  • Blaine
  • Collins
  • Cottonwood
  • Darlington
  • Day
  • Eden
  • Fordham
  • Foxton
  • Garfield
  • Hague
  • Lake
  • Lincoln
  • Logan
  • Maydell
  • Merton
  • Mount Pleasant
  • Pleasant
  • Raymond
  • Richland
  • Rosedale
  • Spring Valley
  • Thorp
  • Warren
  • Washington
  • Woodland

Politics

Clark County is a strongly Republican county. The last time it voted Democratic was Lyndon B. Johnson in 1964.

United States presidential election results for Clark County, South Dakota[23]
Year Republican Democratic Third party
No.  % No.  % No.  %
1892 731 47.19% 197 12.72% 621 40.09%
1896 695 45.01% 816 52.85% 33 2.14%
1900 996 54.16% 752 40.89% 91 4.95%
1904 1,409 73.85% 276 14.47% 223 11.69%
1908 1,234 64.37% 557 29.06% 126 6.57%
1912 0 0.00% 668 38.48% 1,068 61.52%
1916 1,226 52.71% 1,016 43.68% 84 3.61%
1920 1,753 60.24% 437 15.02% 720 24.74%
1924 1,684 56.85% 325 10.97% 953 32.17%
1928 2,665 65.46% 1,370 33.65% 36 0.88%
1932 1,572 36.56% 2,649 61.60% 79 1.84%
1936 1,883 46.07% 2,036 49.82% 168 4.11%
1940 2,622 61.75% 1,624 38.25% 0 0.00%
1944 1,936 61.56% 1,209 38.44% 0 0.00%
1948 1,625 50.59% 1,559 48.54% 28 0.87%
1952 2,692 71.44% 1,076 28.56% 0 0.00%
1956 2,173 58.83% 1,521 41.17% 0 0.00%
1960 2,204 61.05% 1,406 38.95% 0 0.00%
1964 1,511 46.04% 1,771 53.96% 0 0.00%
1968 1,596 52.50% 1,325 43.59% 119 3.91%
1972 1,617 54.59% 1,336 45.10% 9 0.30%
1976 1,449 51.06% 1,376 48.48% 13 0.46%
1980 1,963 67.43% 774 26.59% 174 5.98%
1984 1,748 64.31% 960 35.32% 10 0.37%
1988 1,247 51.44% 1,164 48.02% 13 0.54%
1992 803 33.81% 799 33.64% 773 32.55%
1996 998 44.51% 956 42.64% 288 12.85%
2000 1,272 60.34% 791 37.52% 45 2.13%
2004 1,435 61.67% 875 37.60% 17 0.73%
2008 1,065 54.90% 830 42.78% 45 2.32%
2012 1,067 58.59% 713 39.15% 41 2.25%
2016 1,139 68.74% 398 24.02% 120 7.24%
2020 1,373 74.22% 437 23.62% 40 2.16%
2024 1,382 75.03% 415 22.53% 45 2.44%
2016 1 33.33% 1 33.33% 1 33.33%


Education

School districts include:[24]

See also

References

  1. "State & County QuickFacts". United States Census Bureau. Retrieved March 21, 2024.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 29, 2015.
  4. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 82.
  5. Chicago and North Western Railway Company (1908). A History of the Origin of the Place Names Connected with the Chicago & North Western and Chicago, St. Paul, Minneapolis & Omaha Railways. p. 57.
  6. Clark County SD Google Maps (accessed January 31, 2019)
  7. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 23, 2015.
  8. Christopherson State Public Shooting Area, Vienna SD Google Maps (accessed January 31, 2019)
  9. Dry Lake Number 2 State Public Shooting Area, Willow Lake SD Google Maps (accessed January 31, 2019)
  10. Fordham State Public Shooting Area Google Maps (accessed January 31, 2019)
  11. McPeek State Public Shooting Area, Willow Lake SD Google Maps (accessed January 31, 2019)
  12. Stairs Slough State Public Shooting Area, Clark SD Google Maps (accessed January 31, 2019)
  13. Willow Lake State Public Shooting Area, Willow Lake SD Google Maps (accessed January 31, 2019)
  14. Baileys Lake Google Maps (accessed January 31, 2019)
  15. Dry Lake Number One Google Maps (accessed January 31, 2019)
  16. Dry Lake Number Two Google Maps (accessed January 31, 2019)
  17. Mud Lake Google Maps (accessed January 31, 2019)
  18. Reid Lake Google Maps (accessed January 31, 2019)
  19. Swan Lake Google Maps (accessed January 31, 2019)
  20. Willow Lake SD Google Maps (accessedJanuary 31, 2019)
  21. 21.0 21.1 21.2 21.3 "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. United States Census Bureau. 2021. Retrieved 2025-12-03.
  22. "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. United States Census Bureau. 2021. Retrieved 2025-12-03.
  23. Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved April 13, 2018.
  24. Geography Division (January 14, 2021). 2020 Census - School District Reference Map: Clark County, SD (PDF) (Map). Suitland, Maryland: U.S. Census Bureau. Retrieved January 24, 2026. - Text list

Template:Geographic Location

Template:Clark County, South Dakota Template:SouthDakota Coordinates: 44°52′N 97°44′W / 44.86°N 97.73°W / 44.86; -97.73